Home / 1,792.72-2,473.96-1,006.76

Finding the Fourth Proportional to 1,792.72, 2,473.96 and 1,006.76

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Solution

The fourth proportional to 1,792.72, 2,473.96 and 1,006.76 is: 1,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.72 : 2,473.96 = 1,006.76 : x
  2. Step 2: Convert to fraction form
    1,792.72/2,473.96 = 1,006.76/x
  3. Step 3: Cross multiply
    1,792.72x = 2,473.96 × 1,006.76
  4. Step 4: Simplify right side
    1,792.72x = 2,490,683.97
  5. Step 5: Solve for x
    x = 2,490,683.97/1,792.72
  6. Step 6: Final answer
    x = 1,389.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.